CVE-2021-36222

Publicada el 22 jul 2021 · Actualizada el 14 oct 2026

8Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackepss 11%

probabilidad de explotación

11%top 4% de las CVE

explotación observada

noninguna fuente lo reporta

ec_verify in kdc/kdc_preauth_ec.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.4 and 1.19.x before 1.19.2 allows remote attackers to cause a NULL pointer dereference and daemon crash. This occurs because a return value is not properly managed in a certain situation.

Productos afectados

n/a · n/a

Referencias

https://cert-portal.siemens.com/productcert/html/ssa-398330.html https://github.com/krb5/krb5/commit/fc98f520caefff2e5ee9a0026fdf5109944b3562 https://github.com/krb5/krb5/releases https://security.netapp.com/advisory/ntap-20211022-0003/https://security.netapp.com/advisory/ntap-20211104-0007/https://web.mit.edu/kerberos/advisories/https://www.debian.org/security/2021/dsa-4944 https://www.oracle.com/security-alerts/cpuoct2021.html